<template>
	<view>
    <view class="search-box">
      <!-- 自定义的搜索组件 -->
      <my-search @click="gotoSearch"></my-search>
    </view>
		<!-- 轮播图 -->
    <swiper
      :indicator-dots="true"
      :autoplay="true" :interval="3000"
      :duration="1000"
      :circular="true"
    >
      <swiper-item
        v-for="(item, index) in swiperList"
        :key="index"
      >
        <navigator
          class="swiper-item"
          :url="`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`"
        >
          <image :src="item.image_src"
          ></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航 -->
    <view class="nav-list">
      <view
        class="nav-item"
        v-for="(item, index) in navList"
        :key="index"
        @click="navClickHandler(item)"
      >
        <image
          class="nav-img"
          :src="item.image_src"
        ></image>
      </view>
    </view>
    
    <!-- 楼层区域 -->
    <!-- 外层容器 -->
    <view class="floor-list">
      <!-- 楼层的item -->
      <view
        class="floor-item"
        v-for="(item, index) in floorList"
        :key="index"
      >
        <!-- 楼层的标题 -->
        <image
          class="floor-title"
          :src="item.floor_title.image_src"
        ></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片 -->
          <navigator
            class="left-img-box"
            :url="item.product_list[0].url"
          >
            <image
              :src="item.product_list[0].image_src"
              :style="{width: item.product_list[0].image_width + 'rpx'}"
              mode="widthFix"
            ></image>
          </navigator>
          <!-- 右侧小图片 -->
          <view class="right-img-box">
            <navigator
              class="right-img-item"
              v-for="(item_rimg, index_rimg) in item.product_list"
              :key="index_rimg"
              v-if="index_rimg !== 0"
              :url="item_rimg.url"
            >
              <image
                :src="item_rimg.image_src"
                :style="{width: item_rimg.image_width + 'rpx'}"
                mode="widthFix"
              ></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
    
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 轮播图数据
        swiperList: [],
        // 分类导航的数据
        navList: [],
        // 楼层数据
        floorList: []
			}
		},
    onLoad() {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      // 获取轮播图数据
      async getSwiperList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // console.log(res)
        if (res.meta.status !== 200) return uni.$showMsg()
        this.swiperList = res.message
      },
      // 获取分类导航数据
      async getNavList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
        // console.log(res)
        if (res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      // 分类导航点击跳转页面
      navClickHandler(item) {
        // console.log(item)
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 获取首页楼层数据
      async getFloorList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
        // console.log(res)
        if (res.meta.status !== 200) return uni.$showMsg()
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      // 点击搜索跳转
      gotoSearch () {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
	}
</script>

<style lang="scss">
.search-box {
  // 设置吸顶的定位效果
  position: sticky;
  // 吸顶的位置
  top: 0;
  // 提高层级，以防被覆盖
  z-index: 999;
}
swiper {
  height: 330rpx;
  .swiper-item,
  image {
    width: 100%;
    height: 100%;
  }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15rpx 0;
  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title {
  width: 100%;
  height: 60rpx;
}
.floor-img-box {
  display: flex;
  padding-left: 10rpx;
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
}
</style>
